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Global companies like General Motors Corp., Johns Manville and Parker-Hannifin call Defiance County home. Local firms including MEC and APT Manufacturing Solutions and others are at the heart of an established industrial base that keeps Defiance County working.
DEFIANCE COUNTY DEMOGRAPHIC AND INDUSTRY PROFILE
 Mayville Engineering CompanyDefiance, Ohio |  APT ManufacturingHicksville, OH |  General MotorsDefiance, Ohio |  Sabre IndustiresHicksville, Ohio |
|---|---|---|---|
 Parker HannifinHicksville, Ohio |  Johns ManvilleDefiance, Ohio |
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